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ADAS Subroutine cxqcx

      SUBROUTINE CXQCX(DSNIN  , NEIN  , EIN   ,
     &                 INSEL  , ILSEL ,
     &                 CXOUT  , LEXT  )

C-----------------------------------------------------------------------
C
C  ********************* FORTRAN 77 SUBROUTINE: CXQCX ******************
C
C  PURPOSE: Gathers data from adf01 charge exchange files and
C           interpolates on the requested energy vector.
C
C
C  INPUT
C
C  (C*80) DSNIN    : adf01 file name.
C  (R*8)  NEIN     : NUMBER OF USER REQUESTED ENERGIES
C                    UNITS: EV/AMU
C  (R*8)  EIN      : USER REQUESTED ENERGIES
C  (I*4)  INSEL    : SELECTED INPUT DATA n QUANTUM SHELL - 0 for total
C  (I*4)  ILSEL    : SELECTED INPUT DATA l QUANTUM SHELL
C
C
C
C  OUTPUT
C
C  (R*8)  CXOUT()  : CROSS SECTION DATA
C                    UNITS: CM**2
C  (L*4)  LEXT()   : .TRUE. IF INTEPOLATED
C
C
C  PROGRAM:
C
C
C  ROUTINES:
C
C     ROUTINE    SOURCE    BRIEF DESCRIPTION
C     -------------------------------------------------------------
C     CXDATA     ADAS      READS INPUT DATA SET IN ADF01 FORMAT.
C     C1BSIG     ADAS      SETS UP X-SECTIONS FOR SELECTED N-SHELL
C     XXSPLE     ADAS      SPLINE SUBROUTINE (EXTENDED DIAGNOSTICS)
C     R8FUN1     ADAS      REAL*8 FUNCTION: ( X -> X )
C
C
C  NOTE     : Depending on the choice of output cross section the
C             appropriate n,l or m value must be present.
C
C
C  VERSION  : 1.1
C  DATE     : 18-01-2001
C  AUTHOR   : Martin O'Mullane
C
C  DATE     : 14-03-2007
C  VERSION  : 1.2
C  MODIFIED : Martin O'Mullane
C               - Increase maximum number of shells to 100.
C               - Use xxdata_01 to read in adf01 dataset.
C
C  VERSION  : 1.3
C  DATE     : 22-05-2007
C  MODIFIED : Martin O'Mullane
C               - Remove unused m-subshell data possibility.
C
C-----------------------------------------------------------------------
      CHARACTER*80        DSNIN
      INTEGER             ILSEL,       INSEL,       NEIN
      LOGICAL             LEXT(NEIN)
      REAL*8              CXOUT(NEIN), EIN(NEIN)
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